lab exercise classification of tissues: epithelial tissue tissue: a collection of similar cells...
TRANSCRIPT
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Lab Exercise Lab Exercise Classification of Classification of Tissues: Epithelial Tissues: Epithelial TissueTissueTissueTissue: a collection of similar cells : a collection of similar cells working togetherworking together
Epithelial TissueEpithelial Tissue: cells that line : cells that line the cavities and surfaces of organs & the cavities and surfaces of organs & structuresstructures
Pg. 56 of book and page 12-14 of Pg. 56 of book and page 12-14 of packetpacket
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Classification of Classification of EpitheliaEpithelia
1. Number of cell layers1. Number of cell layers
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2. Shape of the cells2. Shape of the cells
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Lumen: The open space above Lumen: The open space above the apical surface of a the apical surface of a structurestructure
Epithelial Tissue
Apical Surface
Connective Tissue
Basement Membrane
LUMEN
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Lumen: The inner open space or cavity Lumen: The inner open space or cavity of a tubular organ, as of a blood vessel of a tubular organ, as of a blood vessel
or an intestineor an intestine..
Basement Membrane
LUMEN
Apical SurfaceConnectiveTissue
EpithelialTissue
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I will use I will use BOTHBOTH microscopes AND microscopes AND diagrams to test you on diagrams to test you on epithelial tissues. epithelial tissues.
Make sure you look at Make sure you look at the microscopes in lab the microscopes in lab and the diagrams in this and the diagrams in this presentation. presentation.
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Simple Squamous EpitheliaSimple Squamous EpitheliaAlveoli (air sacs) of LungsAlveoli (air sacs) of Lungs
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Simple Squamous Simple Squamous EpitheliumEpithelium
L
L
L
L
LL
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Simple Cuboidal EpitheliaSimple Cuboidal EpitheliaKidney TubulesKidney Tubules
Kidney Tubules
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Apicalsurface
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Simple Cuboidal EpitheliumSimple Cuboidal Epithelium
L
L
L
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Cross Section through Cross Section through the Small Intestinethe Small Intestine
Lumen
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Simple Columnar Simple Columnar EpitheliumEpithelium
Apicalsurface Basement
membrane
Connective Tissue
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Simple Columnar Simple Columnar EpitheliumEpithelium
L
L
L
Lumen
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Stratified Squamous EpitheliaStratified Squamous EpitheliaSkinSkin
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Apicalsurface
Lumen
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LUMEN
Stratified Squamous EpitheliumStratified Squamous Epithelium
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Stratified Squamous Epithelium
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Pseudostratified Ciliated Columnar EpitheliaPseudostratified Ciliated Columnar EpitheliaTrachea (cross section)Trachea (cross section)
Lumen
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Pseudostratified Ciliated Columnar Pseudostratified Ciliated Columnar EpitheliumEpithelium
CiliaLUMEN
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Transitional EpitheliaTransitional EpitheliaUrinary BladderUrinary Bladder
LumenLumen
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LUMEN
Transitional EpitheliumTransitional Epithelium
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PRACTICE TIME!PRACTICE TIME!
Let’s see how you do!Let’s see how you do!
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Name this tissue.Name this tissue.
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Simple Cuboidal Simple Cuboidal EpitheliumEpithelium
Found where? Can you Found where? Can you identify the lumen? Apical identify the lumen? Apical and basement membrane?and basement membrane?
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Name this tissueName this tissue
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Stratified Squamous Stratified Squamous EpitheliumEpithelium
Where in the body is this found? Where in the body is this found? Can you find the lumen/apical Can you find the lumen/apical surface/basement membrane? surface/basement membrane? What is found under the basement What is found under the basement membrane?membrane?
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Name this tissueName this tissue
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Transitional Transitional EpitheliumEpithelium
Where can you find this in the Where can you find this in the body?body?
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Name this tissueName this tissue
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Simple Squamous Simple Squamous EpitheliumEpithelium
Note it’s just ONE layer of flat Note it’s just ONE layer of flat shaped cells! Where in the shaped cells! Where in the body do you find this body do you find this epithelium?epithelium?
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Name this tissue.Name this tissue.
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Simple Squamous Simple Squamous Epithelium (again!)Epithelium (again!)
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Name this tissueName this tissue
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Simple Columnar Simple Columnar EpitheliumEpitheliumCan you see the goblet cell? Can you see the goblet cell? What do they make?What do they make?
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Name this tissue.Name this tissue.
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Pseudostratified Pseudostratified Ciliated Columnar Ciliated Columnar EpitheliumEpithelium
Do you see the cilia? Where Do you see the cilia? Where in the body can you find this in the body can you find this epithelium?epithelium?
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Epithelia Image Epithelia Image GalleryGallery
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Simple Squamous Simple Squamous EpitheliaEpithelia
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Simple Squamous Simple Squamous EpitheliaEpithelia
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Simple Cuboidal EpitheliaSimple Cuboidal Epithelia
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Simple Cuboidal EpitheliaSimple Cuboidal Epithelia
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Simple Cuboidal EpitheliaSimple Cuboidal Epithelia
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Simple Columnar Epithelia: Simple Columnar Epithelia: pointer is pointer is on the basement membraneon the basement membrane
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Simple Columnar Epithelia: Simple Columnar Epithelia: pointer is pointer is on a goblet cellon a goblet cell
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Simple Columnar EpitheliaSimple Columnar Epithelia
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Simple Columnar EpitheliaSimple Columnar Epithelia
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Non-Keratinized Stratified Squamous Non-Keratinized Stratified Squamous Epithelia: Epithelia: pointer is on the basement pointer is on the basement membranemembrane
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Stratified Squamous EpitheliaStratified Squamous Epithelia
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Stratified Squamous EpitheliaStratified Squamous Epithelia
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Pseudostratified Ciliated Columnar Pseudostratified Ciliated Columnar Epithelia: Epithelia: pointer is on the basement pointer is on the basement membranemembrane
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Pseudostratified Ciliated Columnar Pseudostratified Ciliated Columnar EpitheliaEpithelia
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Pseudostratified Ciliated Columnar Pseudostratified Ciliated Columnar EpitheliaEpithelia
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Pseudostratified Ciliated Columnar Pseudostratified Ciliated Columnar EpitheliaEpithelia
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Transitional Epithelia: Transitional Epithelia: pointer is on pointer is on the basement membranethe basement membrane
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Transitional Epithelia: Transitional Epithelia: pointer is on pointer is on the basement membranethe basement membrane
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Transitional EpitheliaTransitional Epithelia
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Transitional EpitheliaTransitional Epithelia